"If you want to be respected by others the great thing is to respect yourself. Only by that, only by self-respect will you compel others to respect you."

"To deny political equality is to rob the ostracised of all self-respect; of credit in the market place; of recompense in the world of work; of a voice among those who make and administer the law; a choice in the jury before whom they are tried, and in the judge who decides their punishment."

"I hope it is true that a man can die and yet not only live in others, but give them life, and not only life, but that great consciousness of life."  

"Life is like riding a bicycle," wrote the renowned theoretical physicist to his son Eduard. "To keep your balance you must keep moving."  

Governments and world citizens must commit themselves to common goals in order to reduce the risk of a global nuclear catastrophe.

"Science is a quest for understanding. A search for truth seems to me to be full of pitfalls. We all have different understandings of what truth is, and we'll each believe, or we are in danger of each believing, that our truth is the one and only absolute truth..."

"If we are to change our world view, images have to change. The artist now has a very important job to do. He's not a little peripheral figure entertaining rich people; he's really needed."